| marsh elder n. Any of several herbs or shrubs of the genus Iva of eastern and central North America, often growing in salt marshes and having nodding, greenish flower heads with unisexual flowers. |
marsh elder
n
(Life Sciences & Allied Applications / Plants) any of several North American shrubs of the genus Iva, growing in salt marshes: family Asteraceae (composites) Compare elder2
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  marsh elder - any of various coarse shrubby plants of the genus Iva with small greenish flowers; common in moist areas (as coastal salt marshes) of eastern and central North Americagenus Iva - small genus of American herbs or shrubs; in some classifications placed in a separate family Ambrosiaceae burweed marsh elder, false ragweed, Iva xanthifolia - tall annual marsh elder common in moist rich soil in central North America that can cause contact dermatitis; produces much pollen that is a major cause of hay fever bog plant, marsh plant, swamp plant - a semiaquatic plant that grows in soft wet land; most are monocots: sedge, sphagnum, grasses, cattails, etc; possibly heath |
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